20622492176080 has 20 divisors (see below), whose sum is σ = 47947294309572. Its totient is φ = 8248996870400.

The previous prime is 20622492176017. The next prime is 20622492176081. The reversal of 20622492176080 is 8067129422602.

It can be written as a sum of positive squares in 2 ways, for example, as 4738823949456 + 15883668226624 = 2176884^2 + 3985432^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20622492176081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128890576021 + ... + 128890576180.

Almost surely, 2^{20622492176080} is an apocalyptic number.

20622492176080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20622492176080 is an abundant number, since it is smaller than the sum of its proper divisors (27324802133492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20622492176080 is a wasteful number, since it uses less digits than its factorization.

20622492176080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257781152214 (or 257781152208 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 20622492176080 in words is "twenty trillion, six hundred twenty-two billion, four hundred ninety-two million, one hundred seventy-six thousand, eighty".